Sed

Stream Editor

Tutorials

• Sed - An Introduction and Tutorial by Bruce Barnett

FAQ

+ or *

*

matches 0 or more

+

matches 1 or more

errror messages

sed: -e expression #1, char 32: unknown command: `\'

try

's/...

instead of

'/...

match whitespace

\s

replace newline

try tr instead:

tr -d '\n' < file

Edit in-place

sed -i

match number

sed 's/.*\([0-9]\+\).*/\1/'

or

sed -r 's/.*([0-9]+).*/\1/'